| Literature DB >> 8047309 |
M Kellert1, C Solomon, H Chalfin.
Abstract
Ultrasonic devices are capable of generating better apical preparations than rotary instruments with less sacrifice of root structure. Regardless of the technique used, good lighting and magnification are necessary to insure an adequate apical preparation.Mesh：
Year: 1994 PMID： 8047309
Source DB: PubMed Journal: N Y State Dent J ISSN： 0028-7571